Stiracolpus symmetricus, common name : the small turret, is a species of sea snail, a marine gastropod mollusk in the family Turritellidae. Description The shell grows to a length of 11 mm. Distribution This marine species is endemic to New Zealand. References Beu A.G. (2010) Marine Mollusca of isotope stages of the last 2 million years in New Zealand. Part 3. Gastropoda (Vetigastropoda – Littorinimorpha). Journal of the Royal Society of New Zealand 40(3): 59–180; p. 93 External links Beu, A. (2010). Marine Mollusca of isotope stages of the last 2 million years in New Zealand. Part 3. Gastropoda (Vetigastropoda – Littorinimorpha). Journal of the Royal Society of New Zealand. 40(3–4): 59–180 Turritellidae Gastropods of New Zealand Gastropods described in 1873